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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2014

  • question_answer
    The magnetic moment produced in a substance of 1 g is\[\text{8}\text{.3}\times \text{1}{{0}^{\text{6}}}\]. If its density is\[\text{1}.\text{2}\times \text{1}{{0}^{-\text{7}}}\], then the intensity of magnetisation in A/m will be

    A) \[\text{3}\times \text{1}{{0}^{-\text{6}}}\]                         

    B) 3.0

    C) \[CaC{{l}_{2}}\]                

    D) \[\text{MgS}{{\text{O}}_{\text{4}}}\]

    Correct Answer: B

    Solution :

                    \[\frac{27}{20}{{\lambda }_{0}}\] \[\frac{20}{27}{{\lambda }_{0}}\] \[\frac{16}{25}{{\lambda }_{0}}\] \[3\Omega \] \[4\Omega \]


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